locations of accidental deaths in the United States. More than 40,000 people are killed and another 2.7 million are injured in motor vehicle crashes each year, government statistics show. Meanwhile, some 20,000 people are killed and another 21 million are hurt in household accidents -- costing society nearly $400 billion each year, according to the non-profit Home Safety Council. Our special report examines the most common dangers and offers tips on how to keep your family safe.